mashape - mashape is a cloud API hub. It is a place to consume, distribute and manage private and public APIs. The mission is to to unlock and facilitate the distribution and consumption of data and services.
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Apigee - Intelligent and complete API platform
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WSO2 API Manager - WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.
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